1. The shape adapts perfectly to the contour curve of the ear and thus ensures more stability and comfort. The ergonomic design has been specially improved for women and people with small ears. It cannot fall off the ears easily. 2. The use of graphene membranes ensures high fidelity sound quality, better radio frequency expansion, clear and natural sound and makes the sound even more powerful and stronger. 3.The tiny headphones has new Bluetooth 5.1 chip，the wireless connection is faster and more stable. 4. The Single Earbuds to automatically boot and connect to the phone, automatically shut down and charge when put earbuds into the charge case, easy to use. Specifications: Bluetooth version: 5.1. Bluetooth distance: 10-15 m. Battery capacity: 100 mAh. Playing time: approx. 15 hours. Charging time: approx. 0.5 hour. package: 1 * Single Earbud 1 * Charging cable 1 * User manual Note: 1. Please read the user manual carefully before use. 《Lightweight & Stable Fit》Mini in-ear earphones keeps running relax, the comfortable design helps you achieve the true painless. With ergonomic design, the single earbud can keep on ear when running, dance, or wearing glasses. 《Easy to use》 The tiny headphones with microphone support the Siri voice assistant. Separate buttons allow easy control and access to answer and reject calls, mute your voice, increase and lower volume, play and pause music and even announce callers. 《Quick Connection》 Bluetooth 5.1 chip and true wireless technology can provide a more stable connection for the headset, signal transmission is more stable, makes you enjoy music without any upset interruption. 《Premium Sound Quality》 This small earbuds has passed the patented speaker and acoustic cavity technology, the sound quality has been upgraded, and the sound leakage can be effectively reduced to protect your privacy and bring you high-quality audio enjoyment. Immersive music enjoyment. The perfect sports companion. 《15 Hours Long Playtime》 The small single earbud only need 0.5 hour to fully charge. The smaller size can provide longer battery life to get you through the day. Usually more than 15 hours listening to music and talking time. ASIN B0CFXPSYCB Color Black Brand Name Xmenha Model Name YX01 Unit Count 1.0 Count Control Type Noise Control Manufacturer Shenzhen Xiangxing Digital Technology Co., Ltd. Model Number Xmenha-GWC-XJJ-YX01-Black BuiltIn Media 1 Noise Control Sound Isolation Cable Features Without Cable Control Method Voice Earpiece Shape in_ear Headphone Jack No Jack Bluetooth Range 10 Meters Number of Items 1 Bluetooth Version 5.1 Compatible Devices Bluetooth-enabled devices Enclosure Material Plastic Additional Features Lightweight, Sports & Exercise, Universal Phone Control, Water Resistant Battery Charge Time 0.5 Hours Wireless Technology Bluetooth Battery Average Life 15 Hours Age Range Description 1-99 Carrying Case Material plastic Water Resistance Level Waterproof Connectivity Technology Wireless Headphones Ear Placement In Ear Specific Uses For Product Sport Headphone Folding Features In Ear Carrying Case Battery Charging Time 0.5 Hours